Mass per volume density.
Grains per Cup to Drams per Oil barrel Converter — gr/cup to dr/bbl
Convert Grain per Cup (gr/cup) to Dram per Oil barrel (dr/bbl) using the exact conversion factor (1 grain per cup = 24.576 dram per oil barrel). See the formula, worked examples, and conversion table.
Grains per Cup to Drams per Oil barrel converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.2738889767 / 0.01114457099.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Cup to Drams per Oil barrel
Grain per Cup and Dram per Oil barrel both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
drams per oil barrel = grains per cup × 24.576
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per cup equals 0.273888976724 base units, and 1 dram per oil barrel equals 0.011144570993 base units, so dividing one by the other gives the direct grain per cup-to-dram per oil barrel factor of 24.576.
Simple example
1 gr/cup × 24.576 = 24.576 dr/bbl
1 grain per cup = 24.576 drams per oil barrel.
Real-world example
1,000 gr/cup × 24.576 = 24,576 dr/bbl
1,000 grains per cup = 24,576 drams per oil barrel.
Conversion table
| Grain per Cup (gr/cup) | Dram per Oil barrel (dr/bbl) |
|---|---|
| 0.1 gr/cup | 2.4576 dr/bbl |
| 1 gr/cup | 24.576 dr/bbl |
| 10 gr/cup | 245.76 dr/bbl |
| 100 gr/cup | 2,457.6 dr/bbl |
| 1,000 gr/cup | 24,576 dr/bbl |
| 10,000 gr/cup | 245,760 dr/bbl |
Reverse conversion: Dram per Oil barrel to Grain per Cup
24.576 dr/bbl × 0.04069010417 = 1 gr/cup
24.576 drams per oil barrel = 1 grains per cup.
grains per cup = drams per oil barrel × 0.0406901041667
For a page dedicated to this direction, see Dram per Oil barrel to Grain per Cup.
Understanding the Grain per Cup (gr/cup)
Mass per volume density.
Understanding the Dram per Oil barrel (dr/bbl)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many drams per oil barrel are in 1 grain per cup?
1 grain per cup equals 24.576 drams per oil barrel, using the exact defined conversion factor rather than an estimate.
How do I convert grain per cup to dram per oil barrel?
Multiply the grain per cup value by 24.576. The converter above does this instantly to whatever precision you set.
How do I convert dram per oil barrel back to grain per cup?
Use the reverse factor: 1 dram per oil barrel equals 0.0406901042 grains per cup. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per cup?
Grain per Cup (gr/cup) is a unit of density.
What is a dram per oil barrel?
Dram per Oil barrel (dr/bbl) is a unit of density.
Is the grain per cup to dram per oil barrel conversion exact?
Yes. Both grain per cup and dram per oil barrel are defined by fixed standards rather than physical artifacts, so the factor of 24.576 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.